Vapor-lamp



c. c. 605. Lamp Burner.

Patented July 9, 1861.

UNITED STATES PATENT OFFICE.

CARLOS (l. COE, OF HOME, NEW YORK, ASSIGNOR TO HIMSELF AND GEO. S.COTTMAN, OF ROME, NEW YORK.

VAPOR-LAMP.

Specification of Letters Patent No. 82,808, dated July 9, 1861.

To all whom it may concern:

Be it known that I, CARLOS C. Con, of Rome, ()neida county, in the Stateof New York, have invented certain new and useful Improvements in Lamps;and I do hereby declare that the following is a full and correctdescription thereof, reference being had to the annexed drawings, makinga part of this specification, and to the letters of reference thereon.

My said improvements are especially adapted to the burning ofhydrocarbon oils such as are now generally burned in the Dietez andother chimney lamps.

The drawings illustrate my invention Figures No. l and No. 2 beingopposite cut sections of a burner to be screwed into any suitablefountain and to be used without a glass chimney.

Letter, a, represents a wick tube provided with the usual friction wheelfor elevating and depressing the wick, b, but which is inclosed as shownto prevent the escape of gas. The upper end of the wick tube terminatesin a cup or pan 6, having sides, cl, to prevent the overflow of oilbrought up on the wick and for other purposes hereinafter explained.

Letter, 0, represents an outer casing concentric with the sides, d, ofthe wick cup and supported by the arms, f. Letter 5/, represents also anouter casing of conical form made to fit over the case, 6. This outercase terminates in the burner, h, in which is a slot for the issue ofthe gas to supply the illuminating flame.

Letter, 2', represents an inner cylinder or casing fitted at the lowerend to the inner surface of the sides of or casing fitted to the cup. Itis pervious at the lower end or the part next to the cup and extends upinto the burner being fitted to it except at points opposite the middleof the slot say at, j, when it is sprung a little forming a groove orpassage between itself and the side of the burner for the admission ofair to the inside of the burner from the annular passage, lc, betweenthe outer and inner cylinders, g, and, i.

Letter Z, represents a fender surroundlng the burner for the purpose ofpreventing accidental currents of air from unduly affecting theilluminating flame and also to protect and direct a current of air whichinduced by the heated surface of the cup and inner cylinder passesupward between the inner and outer casing and issues into the spacebetween the sides of the burner and the fender through the holes, m.

The inner case or cylinder, the burner and the conical outer cylinderand fender are attached to each other at the base of the burner or cupand the whole is removable for the purpose of getting at the wick tolight it.

Letter, 02, is a sliding valve for the purpose of conveniently removingcrust from the wick, and operating as a damper when pushed over the endof the wick tube thus preventing the escape of vapors from the lamp whenextinguished.

Letter, 0, is a spring in wick tube having a crook just opposite thefriction wheel for the purpose of making the wick feeding apparatus selfadjusting to different sizes of wicks.

The operation of the lamp is as follows: The wick being lighted iselevated so that the top is about on a line with the top of the sides ofthe cup or pan, 0, the sides of the wick are unprotected by a wick tubewithin the cup and therefore oil brought up from the fountain on thewick flows from it into the cup and becomes ignited, making a hot fire,and raises the temperature of the cup gradually to a point sufiicient tovaporize the oil, when the flames retreat from the lower part of the cupand are confined to the upper edge of the cup, surrounding the wick withan annular flame. comparatively small amount of air is admitted throughthe pervious lower part of the inner cylinder being only sufficient tosupport such a degree of combustion as necessary to generate sufficientheat to eliminate the mixture of hydrocarbon gases produced by theoperation in sufficient quantity to supply the burner to which theyascend. The heat radiated from the gas generating cup and the continuingcasing induces a rapid current of air which passes upward between theinner and outer casing and issues into the annular space or passagebetween the fender and outside of the burner and passing upward in thisform prevents the gases issuing from the burner from escaping into thesurrounding air by inclosing them in an annular current of atmosphericair which supplies oxygen to the illuminating flame. A small quantity ofatmospheric air is admitted to the inside of the burner for the purposeof mixing a portion of atmospheric air with the gases generated beforeissuing from the burner.

My said invention consists first in generating gases to supply theilluminating flame by means of the heated surfaces of the gas generatingcup to which oil is conveyed by the wick. Second in combining said gasgenerating cup With the pervious cylinder, burner and outer casing orcylinder substantially as described for the purpose of producing anilluminating flame. Third in combining with the Wick tube and cup thesliding snuffer valve substantially as described. Fourth in combiningwith the feeding wheel of the wick tube a spring in the wick tubecrooked opposite the feed Wheel for the purpose of making the wickfeeding apparatus self adjusting. N OW it Will be evident that inconstruction the precise form of the construction herein described maybe varied Without varying essentially the mode of generating the gas forthe purpose of supplying the illuminating flame.

By the use of the generating cup as described for vaporizing by itsheated surfaces oil supplied to those surfaces constantly in a minutelydivided form by the capillary attraction of the wick aided by the heat Iobtain a very great capacity for generating gas to supply anilluminating flame much greater than in any other manner with which I amacquainted.

The generating cup should be sustained at sufficient elevation above thefountain to prevent the heat from unduly affecting it as to volatilizethe oil or cause changes to take place in it.

What I claim as my invention and improvement in lamps is as follows viz:

1. In combination with the pervious cylinder and Wick tube the gasgenera-ting pan or cup substantially as described and substantially forthe purposes hereinbefore set forth.

2. Combining with the gas generating pan the pervious cylinder, burner,outer casing fender and passage Ways, substantially as described andsubstantially for the purposes hereinbefore set forth.

3. Combining with the Wick tube and cup the valve n substantially andfor the purpose as described.

O. G. COE.

Witnesses JOHN CLARK, WM. LEE.

